Ez-pz or something

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Across
  1. 4. not thrown away but made into another
  2. 5. heat used from earth to heat water
  3. 7. Mechanical energy in the sky
  4. 10. resources that cant be regained easy
  5. 12. fuels Organisms but dead for eons
  6. 13. Sun energy into electricity
  7. 14. Chernobyl
Down
  1. 1. resources that can be regained easy
  2. 2. storing things in case they deplete
  3. 3. harmful bad things
  4. 6. spiny paddles in water
  5. 8. to go down in use or in general
  6. 9. to use again
  7. 11. Plants used for fuel